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16 April 2008 One- and two-photon absorption and emission properties of heteroaromatic bichromophores
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We present the design, synthesis, and characterization of a class of heteroaromatic bichromophores in order to investigate intermolecular interactions and their effect on optical and nonlinear optical properties. As a design strategy we have linked two dipolar or quadrupolar units through a non-conjugated alkyl chain. The two units are connected either through their donor or their acceptor end-groups. This study represents a first step towards the design of bi- and multichromophoric systems with optimized NLO responses in order to exploit collective and cooperative effects from interchromophore interactions.
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Alessandro Abbotto, Luca Bellotto, Renato Bozio, Camilla Ferrante, Ilaria Fortunati, Eleonora Garbin, Chiara Marinzi, Anna Painelli, Cristina Sissa, and Francesca Terenziani "One- and two-photon absorption and emission properties of heteroaromatic bichromophores", Proc. SPIE 6999, Organic Optoelectronics and Photonics III, 69990K (16 April 2008);

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